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(No Model.)

G. E. STRAUSS. METHOD OF FASTENING WHEELS T0 HUBS, AXLBS, 0R SHAFTS. No.591,798. Patented Oct. 12,1897.

ATTORNEY.

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. unlocking of the wheels.

UNITED STATES PATENT tries.

eUSTAvus' E. STRAUSS,

or NEW YORK, N. v.

METHOD OF FASTENING WHEELS TO HUBS, AXLE'S, OR SHAFTS.

SPECIFICATION formingpart of Letters Patent No. 591,798, dated October12, 1897.

Application filed February 10, 1897- Serial No. 622,873. (No model.)

To all whom it may concern..-

Be it known that I, GUSTAVUS E. STRAUSS, a citizen of the United States,and a resident of New York, in the county and State of New York, haveinvented certain new and useful Improvements in the Method of Fastening\Vheels to Hubs, Axles, or Shafts, of which the following is aspecification.

My invention has reference to improvements in the method of attachingwheels to hubs, axles, and shafts; and it consists in the methoddescribed hereinafter and shown in the accompanying drawings. Thismethod does away with the manner of screwing the flanges of the wheelson the hubs or shafts, and thereby simplifies greatly the locking and Myinvention is illustrated in the accompanying drawings, in which-- Figure1 shows a section of a portion of a wheel-hub to which a secondwheehwhich may be a sprocket-wheel, is attached. Fig. 2 is an end viewof the wheel-hub and the wheel attached thereto; and Figs. 3 and 4 are aside and a top view, respectively, of the locking device.

Similar letters of reference indicate corresponding parts.

A in the drawings is a hub as used in bicycles, the outer extension CLof which is provided with one or more outwardly-extending pins a and arounded-off excavation a on its outer periphery.

B is a sprocket-wheel or any other wheel having a lateral flange b, thatincloses the extension a of the hub A and is provided with slits b. Ascrew hole cl extends into the wheel B near its inner periphery and hason its outer end a recess cl for the screw-head, reaching beyond theinner periphery of the wheel. \Vhen the wheel is placed in properposition on the hub, the slits b of the flange b inclose the pins a ofthe hub, and the recess d of the wheel is located above the excavation aof the hub, as shown in Fig. 2.

D is a screw-bolt fitting into the screw-hole d of the wheel 13 andhaving an eccentric head e located in the recess d when the screwbolt isscrewed into the screw-hole of the wheel. The screw-head is soconstructed that it will project either into the upper portion of therecess (1 or beyond the inner periphery of the wheel, as may be easilyunderstood by the drawings.

The wheel is locked to the hub in the following manner: The screw-bolt Dis screwed into the screw-hole cl of the wheel and the eccentric portion6' of the screw-head so placed that it projects into the upper portionof the recess cl. The wheel isthen pushed upon the extension at of thehub B, so that the pins a of the latter are placed in the slits b of theflange 1). In the position of the screw-head 6 before described theouter periphery of the hub does not interfere with the screw-nut; but assoon as the wheel is in the proper position on the hub the screw-bolt isso turned that the eccentric portion of its head projects into theexcavation a of the hub and-abuts against the walls of the excavationwhen the wheel is tried to be pushed backward or forward The eccentrichead of the screw-bolt prevents thus a backward-and-forward motion, andthe pins ct, located in the slits I), do not allow a rotary movement ofthe wheel, so that by means of this simple locking device the wheel isreliably held in position.

It is evident that the described method can be also applied in fasteningfly-wheels or other wheels to axles and shafts.

Having thus described my invention, I claim as new and desire to secureby Letters Patent- 1. A hub, axle, or shaft having on its outerperipheryan excavation, in combination with a wheel having near itsinner periphery a screw-hole, and a screw-bolt fitting into thescrew-hole and being provided with an'eccentric head, the eccentricportion of which being able to project into the said excavation of thehub, axle, or shaft, substantially as set forth.

2. Ahub, axle, or shaft having on its outer periphery an excavation, incombination With a wheel having near its inner periphery a screw-holewith a recess at its outer end, a screw-bolt fitting into the screw-holeand being provided with an eccentric head which is located in the saidscrew-hole recess, the cocentric portion of the screw-head being able toproject into the said excavation of the hub, axle, or shaft,substantially as set forth.

3. Ahub, axle, or shaft having on its outer periphery pins and aneccentric, in combina tion with awheel provided near its inner pe-Signed at New York, in the county and riphery with a screw-hole andhavinga flange State of New York, this 1st day of February, [0 providedwith slits to be engaged by the said A. D. 1897. pins, and ascrew-boltfitting into the screw- 7 5 hole and having an eccentric head,the 630- GUSTA Us STRAUSS centric portion of which being able to projectWitnesses: into the said excavation of the hub, axle, or CHAS. KARP,shaft, substantially as set forth. HENRY FOX.

